Related parties - Listing of Consolidated Subsidiaries (Details) - subsidiary |
12 Months Ended | ||
|---|---|---|---|
Feb. 28, 2026 |
Mar. 31, 2026 |
Mar. 31, 2025 |
|
| Disclosure of subsidiaries [line items] | |||
| Number of subsidiary | 18 | 6 | |
| Coincheck, Inc. | |||
| Disclosure of subsidiaries [line items] | |||
| Percentage of voting rights held by the Company | 100.00% | ||
| CCG Administrative Services, Inc. | |||
| Disclosure of subsidiaries [line items] | |||
| Percentage of voting rights held by the Company | 100.00% | ||
| Next Finance Tech Co., LTD. | |||
| Disclosure of subsidiaries [line items] | |||
| Percentage of voting rights held by the Company | 100.00% | ||
| Aplo SAS | |||
| Disclosure of subsidiaries [line items] | |||
| Percentage of voting rights held by the Company | 100.00% | ||
| 3iQ Digital Holdings, Inc. | |||
| Disclosure of subsidiaries [line items] | |||
| Percentage of voting rights held by the Company | 99.80% | ||
| 3iQ Corp | |||
| Disclosure of subsidiaries [line items] | |||
| Percentage of voting rights held by the Company | 99.80% | 99.80% |